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Coolabah Capital Investments Pty Ltd | ACN 153 327 872 1300 901 711 | [email protected]
QE, the collapse of the money multiplier, and the bond multiplier Kieran Davies, Chief Macro Strategist, Coolabah Capital Investments
This year has seen a sea change in the operation of monetary policy in Australia with the Reserve Bank
adopting several unconventional measures that have been part and parcel of its peers’ policy toolkits
since the global financial crisis. With the cash rate now at the Reserve Bank’s self-imposed effective
lower bound of 0.1%, the bank’s balance sheet – its size, composition and term structure – is now the
better measure of the stance of policy because it captures the impact of quantitative easing (QE) and
cheap loans to banks made under the Term Funding Facility (TFF).
QE and the TFF should see the Reserve Bank’s balance sheet almost triple to about 27% of annual GDP
by Q2 2021, with the bank likely to own 20% of the combined Commonwealth and semi-government
bond market, which is still relatively small compared to some peers overseas. QE can promote easier
financial conditions via several channels, the most important of which is the portfolio balance effect,
where a central bank’s purchase of bonds is the catalyst for investors to rebalance their portfolios and
search for higher-yielding assets, leading to lower bond yields and higher asset prices.
The expansion of the Reserve Bank’s balance sheet involves sharply higher exchange settlement (ES)
balances, which are the reserves banks hold at the Reserve Bank to settle transactions between
themselves, the Reserve Bank, and the Reserve Bank’s clients. Some market participants believe in
“the money multiplier”, which states that this increase in reserves will significantly boost the money
supply via the successive lending and redeposit of excess reserves. However, this old-fashioned view
does not fit the facts of a modern economy, where money is most often created when a bank creates
deposits to write a loan, such that the money multiplier has collapsed both in Australia and abroad.
Instead, it seems likely that there is a bond multiplier from large and growing ES balances, where
transactions have almost dried up in the interbank cash market with large balances serving as a buffer
for banks’ cash needs. Balances no longer earn interest and the loss of bank profits provides an
incentive for banks to “recycle” them by either buying Commonwealth and semi-government bonds
and/or paying down liabilities. Bernanke called this the “hot potato” effect when discussing QE in the
US, where reserves can only be recycled between banks given system-wide interbank cash is fixed by
the central bank.
While international research into this effect has been limited, a detailed study of European banks
showed banks responded to the European Central Bank’s QE-driven surge in reserves by buying
domestic government bonds and paying down a range of funding sources. Although we could not
replicate this work given the required detailed bank data are not publicly available in Australia, it
seems likely to us that the huge increase in ES balances will trigger more active management of
reserves by banks, with this recycling effect reinforcing the more well-known portfolio balance
channel in placing downward pressure on both Commonwealth and semi-government bond yields.
This is likely to be welcomed by the Reserve Bank given its desire to reduce upward pressure on the
Australian exchange rate resulting from our globally elevated long-term government bond yields while
reducing debt servicing costs for both the Commonwealth and state governments at a time when they
are pursuing expansionary fiscal stimulus to reduce labour market slack created by the pandemic.
2
A sea change in the operation of monetary policy
This year has seen a sea change in the operation of monetary policy in Australia. Since 1990, the
Reserve Bank has conducted monetary policy by setting a target for the cash rate, which in turn
influences the cost of finance through the broader economy. With the cash rate now near zero and
Governor Lowe extremely reluctant to adopt negative interest rates, conventional monetary policy
has effectively been exhausted and the bank has turned to unconventional monetary policy for the
first time since the global financial crisis (GFC).
During the GFC, the Reserve Bank took unconventional steps to restore order to dysfunctional
financial markets, which were stopping the transmission of lower interest rates through the economy.
In contrast, this year’s measures are aimed at the bank’s traditional economic objectives. This
evolution is remarkable in an Australian context, but other countries had already reached this point
several years earlier. Indeed, the adjective “unconventional” is a misnomer, with unconventional
policies an essential part of most central bank toolkits for over a decade now.
The measures undertaken by the Reserve Bank in March and November this year included:
1. Cutting the target cash rate to a record low of 0.1%.
2. Lowering the deposit rate on exchange settlements to a record low of zero.
3. Adopting price-based quantitative easing (QE) with a 0.1% target for the 3-year Commonwealth
bond yield (supplemented by bond purchases to smooth volatility earlier in the year).
4. Establishing a Term Funding Facility to provide 3-year funding to banks at a 0.1% rate (the facility
is currently worth about $200bn).
5. Introducing strong forward guidance that the bank will not increase the cash rate until “actual
inflation is sustainably within the 2 to 3% target range”, which means the bank does not expect to
increase the cash rate for “at least three years”.
6. Adopting quantity-based QE of $100bn of purchases of Commonwealth and semi-government
bonds over six months (the purchases are in addition to those required to achieve the 3-year bond
yield target).
3
Figure 1: The RBA has been reluctant to follow other countries in cutting the cash rate below zero
Note: Other advanced economies comprise Canada, Czech Republic, Denmark, euro area, Hong Kong, Iceland, Israel, Japan, Korea, New Zealand, Norway, Sweden, Switzerland, United Kingdom, and United States. Source: Bank for International Settlements, Reserve Bank of Australia, Coolabah Capital
The Reserve Bank is prepared to do more QE depending on the state of the
economy
In easing policy in November, the Reserve Bank strongly emphasised it is “prepared to do more if
necessary”, where:
“The focus over the period ahead will be the government bond purchase programme. If the
circumstances require, the Board is prepared to do more and undertake additional purchases.
At its future meetings, the Board will be closely monitoring the impact of bond purchases on
the economy and on market functioning, as well as the evolving recovery from the pandemic,
including the outlook for jobs and inflation.”
The Reserve Bank is currently placing more weight on current inflation given the difficulty in
forecasting at present, but its updated economic outlook suggests that it is likely to extend its QE
programme past its current 6-month span. The Reserve Bank will also be mindful that it may be forced
to undertake additional QE to keep pace with other central banks to maintain downward pressure on
the exchange rate. For example, the Bank of England recently increased its bond purchases, while the
European Central Bank is widely expected to ease policy further in December. Although there is a
case that promising results on an effective coronavirus vaccine could possibly buy the Reserve Bank
time assuming a successful roll-out next year, community resistance to vaccines and the presence of
pervasive third waves around much of the world suggests the global outlook is mixed. Or to borrow
from Martin Place’s lexicon, the road ahead is likely to remain bumpy and will require ongoing
monetary policy support in the form of additional QE to ensure that Australian interest rates are not
artificially elevated vis-à-vis the rest of the world.
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Median of other advancedeconomiesAustralia
Central bank key policy rate (%)
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Current central bank key policy rate (%)
4
Figure 2: The Reserve Bank’s economic outlook points to the risk of further QE, while it may be forced to ease further to stop the exchange rate appreciating if other central banks ease policy again
Note: The Reserve Bank forecasts are from the November 2020 Statement on Monetary Policy. The Treasury estimate of the NAIRU is from the Secretary to the Treasury’s testimony before the Senate Economics Legislation Committee on 26 October. Real exchange rates for October and November 2020 were approximated using nominal trade-weighted exchange rates. Source: Australian Bureau of Statistics, Bank for International Settlements, Department of the Treasury, Reserve Bank of Australia, Coolabah Capital
The RBA’s balance sheet is now the best measure of the stance of policy
With the cash rate now at the Reserve Bank’s self-imposed effective lower bound, the cash rate no
longer serves as the best summary measure of the stance of monetary policy. Instead, we think that
the size of the Reserve Bank’s balance sheet, scaled by GDP, as well as its composition and term
structure, are more useful metrics given they capture the impact of its unconventional monetary
policies. The Reserve Bank shares this view, as do other central banks that have adopted
unconventional policies.
On our calculation, unconventional measures should dramatically increase the size of the Reserve
Bank’s balance sheet over the next six months. CCI estimates that total assets should increase from
about 15% of annual GDP in Q3 to about 27% of GDP in Q2 2021, assuming that other financial assets
remain broadly unchanged. This represents a near-tripling of the balance sheet from prior to the
coronavirus pandemic when assets stood at 9% of GDP and compares with a 13% peak during the GFC,
placing assets at the highest level since the early 1950s when the Reserve Bank was unwinding its
funding of the government’s military expenses during World War 2.
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6
2000 2005 2010 2015 2020
RBA inflation target
Latest RBA forecast
Trimmed mean CPI (% change on a year ago)
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9
2000 2005 2010 2015 2020
Latest Treasury estimate of the NAIRU
Latest RBA forecast
Unemployment rate (%)
5.2 4.7 4.33.4
1.9 1.8 1.40.5 0.3 0.1
-0.1 -0.4 -1.1 -1.1-2.6 -2.9 -3.3 -4.0
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Iceland
Change in BIS measure of the real exchange rate for the advanced economies from Dec-2019 to now (%)
5
Figure 3: Further bond purchases and the take-up of the Term Funding Facility will underpin the largest Reserve Bank balance sheet since the early 1950s
Note: The Commonwealth Bank was the forerunner to the Reserve Bank. Forecast nominal GDP is based on interpolated financial-year estimates from the 2020-21 Commonwealth Budget. Source: Australian Bureau of Statistics, Department of the Treasury, Reserve Bank of Australia, Coolabah Capital
QE will see record RBA ownership of the bond market, although this will not be
particularly high compared with other countries
QE should also see the Reserve Bank hold a record share of the government bond market. CCI
calculates that holdings of Commonwealth bonds should increase from 14% of bonds on issue in Q2
2020 to about 22% in Q2 2021, matching the previous peak in 1979. Holdings of semi-government
bonds should increase from 11% of outstandings to about 17% over the same period.
Aggregating the two markets to compare with other countries that do not distinguish between
national and state debt, the Reserve Bank currently owns 13% of bonds on issue, which is at the low
end of international experience, where the median of other advanced economies is 17%. As Reserve
Bank holdings increase to about 20% by Q2 2021, this would still not be particularly large by world
standards.
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1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020
Forecast based on QE and complete take-up of the TFF
RBA total financial assets (% of annual nominal GDP)
World war
6
Figure 4: QE should see the Reserve Bank hold a record share of the government bond market, although holdings will be not be particularly large by world standards
Note: The Commonwealth Bank was the forerunner to the Reserve Bank. The pre-1988 estimates for Commonwealth bonds include notes. The Australian Bureau of Statistics treats repurchase agreements as an outright purchase of bonds for the duration of the agreement. The Commonwealth used to issue bonds on behalf of the states prior to the establishment of state central borrowing authorities in the early 1980s. * The sovereign debt estimates cover Commonwealth and semi-government bonds, where the data for other countries include notes and bonds. Source: Australian Bureau of Statistics, International Monetary Fund, Reserve Bank of Australia, Coolabah Capital
The portfolio balance sheet effect is the key transmission channel for QE
Focusing on the impact of QE, the experience of other countries suggests it should play a key role in
achieving easier financial conditions via:
1. Policy signalling. QE reinforces forward guidance of a long period of easy monetary policy by the
central bank putting its “money where its mouth is”.
2. Lower bond yields and higher asset prices via portfolio rebalancing. Buying bonds from investors
causes them to rebalance their portfolios away from deposits to higher-yielding assets, which
reduces bond yields and term premia. Lower bond yields can drag down the market structure of
interest rates, which improves cash flows, and boost other asset prices, such as equity and house
prices.
3. Improved liquidity/reduced risk premia. Buying bonds can improve market liquidity and reduce
risk premia, although high levels of central bank ownership can promote illiquidity.
4. Improved confidence and reduced uncertainty. QE can boost confidence and reduce uncertainty
by reducing the risk of worse economic outcomes.
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1900 1920 1940 1960 1980 2000 2020
Forecast based on estimated purchases
RBA holdings of Commonwealth bonds (% of bonds on issue)
World war
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Forecast based on estimated purchases
RBA holdings of semi-government bonds (% of bonds on issue)
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24 22 21 21 20 19 19 19 19 17 17 17 16 16 16 15 13
5 51 0 0 0
20
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Forecast for Q2 2021
Advanced economy central bank holdings of sovereign debt, as at Q2 2020 (% of outstandings)
7
5. Bank lending effect. Increased deposits improve bank balance sheets and encourage lending.
Higher asset prices can improve household/business balance sheets and encourage borrowing.
6. Downward pressure on the exchange rate. Lower interest rate differentials and risk premia place
downward pressure on the exchange rate.
Most research focuses on the importance of the portfolio balance effect, which we have illustrated
using a set of stylised balance sheets. The balance sheets show that with the Reserve Bank’s planned
purchase of $100bn of government bonds:
• The balance sheet of the Reserve Bank increases by $100bn. Total assets increase by $100bn
reflecting the purchase of government bonds, while total liabilities increase by the same amount
as the Reserve Bank credits bank reserves by $100bn.
• The balance sheet of banks also increases by $100bn. Total assets increase by $100bn of bank
reserves. Total liabilities simultaneously increase by $100bn as these reserves are credited to the
deposit account of investment funds.
• The balance sheet of investment funds is unchanged in size, but the mix of assets changes. The
composition of assets changes with the sale of $100bn of government bonds and the
corresponding increase in bank deposits.
The change in the mix of assets held by investors is the catalyst to them to rebalance their portfolios
away from deposits and towards higher-yielding assets.
Figure 5: Stylised balance sheets show how QE boosts the balance sheet of the Reserve Bank and banks and changes the composition of the balance sheet of investors
Source: Coolabah Capital
The surge in bank reserves and the collapse of the money multiplier
As the stylised analysis of QE shows, one consequence of the Reserve Bank’s purchase of bonds is a
deposit-driven increase in the money supply, with the same true when the bank writes loans under
the Term Funding Facility (this also means that the money supply will be reduced when QE is
eventually unwound and Term Funding Facility loans are repaid). These avenues of money creation
echo the most common way money is formed in a modern economy, namely when a commercial bank
creates deposits to write a loan or, less often, buy an asset. Similarly, money is destroyed when a bank
loan is repaid or a bank sells an asset (money can also be destroyed when a bank issues debt and/or
equity liabilities).
Before QE | Immediately after QE
RBA ($b) Banks ($b) Invest. funds ($b) | RBA ($b) Banks ($b) Invest. funds ($b)
Assets Assets Assets | Assets Assets Assets
- govt bonds - bank reserves - govt bonds 100 | - govt bonds 100 p - bank reserves 100 p - govt bonds 0 q
- other assets - loans - bank deposits | - other assets - loans - bank deposits 100 p
TOTAL TOTAL TOTAL 100 | TOTAL 100 p TOTAL 100 p TOTAL 100
Liabilities Liabilities Liabilities | Liabilities Liabilities Liabilities
- bank reserves - fund deposits - liabilities 100 | - bank reserves 100 p - fund deposits 100 p - liabilities 100
- other liab. - h'hold deposits | - other liab. - h'hold deposits
TOTAL TOTAL TOTAL 100 | TOTAL 100 p TOTAL 100 p TOTAL 100
8
Figure 6: Stylised balance sheets show how money is commonly created when a bank writes a loan
Source: Coolabah Capital
This contrasts with the old-fashioned view of money creation held by some market participants, which
relies on the “money multiplier”. The multiplier is the ratio of the money supply to the monetary base,
where the monetary base comprises physical cash and bank reserves. In this view of the world, the
central bank sets reserves in order to determine the level of short-term interest rates. This means
that the massive QE/Term Funding Facility-driven increase in bank reserves will depress interest rates
and lead to an even larger increase in the money supply (and bank credit). Mechanically, the money
multiplier works when an initial increase in reserves underpins a further increase in deposits via the
successive lending and redeposit of excess reserves.
Although this view of money creation is intuitively appealing, it does not represent how Reserve Bank
and other modern central banks operate. The money multiplier has collapsed across the advanced
economies, including Australia, and, like its peers, the Reserve Bank does not focus on bank reserves
when setting monetary policy. Instead, the Reserve Bank influences market interest rates via the cash
rate, which is adjusted by varying the policy corridor around the target cash rate in the interbank cash
market.
The policy corridor comprises the Reserve Bank’s ceiling of a lending rate and a floor of a deposit rate
and used to be set at the target cash rate +/- 25bp. Now that the target cash rate is 0.1%, the corridor
has been tightened to +25bp/-10bp (or 0 to 0.35%) to avoid a negative deposit rate. The corridor
determines the transactions that take place in the interbank cash market, where reserves are held in
exchange settlement (ES) accounts at the Reserve Bank, with no requirement other than ES balances
needing to remain positive. The ES balances represent the “cash” in this market and are used to
facilitate cash transactions between banks, the Reserve Bank, and the Reserve Bank’s clients, the
largest of which is the Commonwealth government. No transactions occur outside the corridor
because no bank with a cash shortfall will borrow from another bank at rate higher than the one
offered by the Reserve Bank and no bank with excess cash will accept a deposit rate from another
bank less than the Reserve Bank’s zero floor.
The actual cash rate normally gravitates to the target rate as the Reserve Bank‘s open market
operations ensure supply matches banks’ demand for cash within the corridor. The supply curve is
vertical because only the Reserve Bank has the legal ability to create cash, with banks distributing this
cash by trading between themselves. The cash rate then influences market interest rates, which
together with factors such as the regulatory environment and bank assessments of credit risk,
determine the ability of banks to write loans and hence increase the money supply.
Before a loan is written | After a loan is written
RBA ($b) Banks ($b) Households ($b) | RBA ($b) Banks ($b) Households ($b)
Assets Assets Assets | Assets Assets Assets
- assets - home loans - bank deposits | - assets - home loans 100 p - bank deposits 100 p
TOTAL TOTAL TOTAL | TOTAL TOTAL 100 p TOTAL 100 p
Liabilities Liabilities Liabilities | Liabilities Liabilities Liabilities
- bank reserves etc - h'hold deposits - home loans | - bank reserves etc - h'hold deposits100 p - home loans 100 p
TOTAL TOTAL TOTAL | TOTAL TOTAL 100 p TOTAL 100 p
9
Figure 7: The textbook measure of the money multiplier has collapsed
Source: Organisation for Economic Co-operation and Development, Reserve Bank of Australia, Coolabah Capital
A potential multiplier for bond purchases via the “recycling” of ES balances
Although the money multiplier does not fit with the facts of modern money creation, there is some
international evidence of a bond market multiplier with reserves. This is important given the massive
increase in ES balances resulting from unconventional policy.
Historically, ES balances were relatively small in size, representing a negligible share of bank assets.
ES balances increased to 0.7% of assets in 2013 with reform of the payments system to allow same-
day payments, but with unconventional monetary policy have now reached about 1.5-2% of assets.
This is the highest share of assets since the policy corridor was introduced in the late 1990s, back when
the deposit rate on exchange settlements was 5.75%.
With the deposit rate falling from 0.5% prior to the pandemic to zero, and ES balances potentially
rising to near $300bn by Q2 2021, this should reduce annual bank earnings by about $1.5bn (this is
about 4% of the $35bn in before-tax profits generated by authorised deposit-taking institutions in
2019-20).
0
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Monetary base (smoothed $b)
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Ratio of M3 to monetary base (smoothed no.)
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Figure 8: A zero deposit rate and high ES balances should encourage “recycling” of reserves in the interbank cash market
Note: There are some days in 2020 when the Reserve Bank reports “not available” for interbank cash transactions. Source: Reserve Bank of Australia, Coolabah Capital
This reduction in profits is an incentive for banks to better manage their existing ES balances. This
incentive is reinforced by the Reserve Bank not draining an excess of cash in the interbank market,
such that the cash rate has consistently traded below the target rate since March. The deep slump in
both the number and value of interbank transactions underscores how large balances can absorb cash
needs from most banks.
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Deposit rate ES balances
Exchange settlement balances (% of total authorised deposit-taking institution assets)
RBA deposit rate on ES balances (%)
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2015 2016 2017 2018 2019 2020 2021 2022
Trend
Number of daily cash market transactions
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2015 2016 2017 2018 2019 2020 2021 2022
Trend
Value of daily cash market transactions(% of ES balances)
11
Figure 9: The cash rate has traded below the target rate as the Reserve Bank has not drained excess cash from the market
Stylised cash market as at end-2019 Stylised cash market as at 4 November 2020 with an excess of cash
Source: Reserve Bank of Australia, Coolabah Capital
Large and growing ES balances that no longer earn a return suggest that banks could “recycle” their
balances by either buying assets, such as Commonwealth and state government bonds, or reducing
bank liabilities, particularly debt subject to the major bank levy of 0.06%. In this way, recycled reserves
act as the “hot potato” highlighted by Federal Reserve Chair Ben Bernanke some years ago when US
bank reserves were surging as the Fed undertook QE.1 Such recycling simply reallocates the system-
wide amount of interbank cash determined by the Reserve Bank, although, as discussed earlier, asset
purchases still boost the money supply. This is seen using stylised balance sheets to demonstrate the
impact of a bank buying government bonds from an investment fund that has deposits at another
bank. The first bank buys the bonds using its ES balances to credit the deposit account at the second
1 “US Senator Sanders. … [Banks have] increased the amount of excess reserves held at the Fed from $US1.5 billion [in 2007] to more than
$US1.7 trillion [in 2013 because] … the Fed … [pays] interest to … keep this money at the Fed. … [It] would be much more productive … if
that money was out going to … [the] economy, rather than sitting at the Fed. …
Fed Chairman Bernanke. … [T]he amount of excess reserves in the banking system is completely out of the control of the banks. The Fed
puts those reserves in the system. The banks can pass them around from each other, but the total is just given. They can’t do anything
about that. It’s like a hot potato …”
Transcript of the Hearing on the Economic Outlook before the Joint Economic Committee,
22 May 2013
0.0
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1.0
1.5
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2015 2016 2017 2018 2019 2020 2021
Policy corridor Actual Target
Reserve Bank target rate and policy corridor (%) and actual cash rate (%)
0.0
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Exchange settlement balances ($b)
Policy corridor
Target cash rate
Actual cash rate
Cash rate (%)Supply of cash fixed by RBA
Demand for cash from banks
0.0
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0.2
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0.4
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Exchange settlement balances ($b)
Policy corridor
Target cash rate
Actual cash rate
Cash rate (%)
Supply of cash fixed by RBA
Demand for cash from banks
12
bank. The second bank’s ES balances increase, but total ES balances are unchanged as all that has
happened is that reserves have been passed from the first bank to the second bank.
Figure 10: A bank buying bonds with its ES balances does not alter system-wide interbank cash
Source: Coolabah Capital
International research suggests that a bond multiplier from “recycling” reserves
likely exists in Australia
Unfortunately, there are not many studies of the interaction between QE and central bank reserves,
as most work focuses on the portfolio balance and signalling channels of large-scale asset purchases.
Two studies that have focused on this issue are:
• Ryan and Whelan (2019), which examined monthly balance-sheet data for individual European
banks to gauge the impact of the European Central Bank’s QE programme from 2015 to 2018.
They found reserves as a share of assets were widely dispersed across banks and countries, with
large reserves among banks with large deposit bases and smaller foreign-owned banks that were
less active in managing their reserves. Like Australia, the QE-driven surge in reserves had seen a
collapse in interbank cash transactions. The analysis suggested that banks reduced large reserves
by buying domestic government bonds and paying down a range of funding sources. Most of the
yield curve was negative at the time, suggesting that banks were either buying bonds with less
negative yields than the prevailing negative deposit rate or buying long-term bonds with a positive
yield (the deposit rate on reserves ranged between -0.2 and -0.4% over this period).
• Christensen and Kogstrup (2016), which examined bank reserves in an event study of the Swiss
National Bank’s unconventional policy in 2011. The Swiss National Bank significantly increased
reserves to counter an appreciation of the Swiss Franc by lowering short-term interest rates
through purchases of short-term debt, repurchase agreements and short-term foreign exchange
swaps. Even though the bank did not buy long-term bonds, long-term bond yields fell sharply. This
analysis suggested the drop in long-term bond yields was mostly due to reserve-induced portfolio
effects, with some role for the signalling channel of unconventional policy. The researchers
acknowledged that their approach would not work when a central bank increased reserves by
buying long-term bonds because their model could not separate a reserve effect from the usual
portfolio balance channel. Nonetheless, they pointed to the experience of the US, where the
Before "Bank #1" recycles its ES balances
RBA ($b) Bank #1 ($b) Bank #2 ($b) Investment fund ($b)
Assets Assets Assets Assets
- assets 200 - govt bonds 0 - govt bonds 0 - govt bonds 100
- ES balances #1 100 - ES balances #2 100 - inv. fund deposits 0
TOTAL 200 TOTAL 100 TOTAL 100 TOTAL 100
Liabilities Liabilities Liabilities Liabilities
- ES balances #1 100 - deposits 100 - inv. fund deposits 0 - liabilities 100
- ES balances #2 100 - other deposits 100
- other
TOTAL 200 TOTAL 100 TOTAL 100 TOTAL 100
Bank #1 buys government bonds from an investment fund
RBA ($b) Bank #1 ($b) Bank #2 ($b) Investment fund ($b)
Assets Assets Assets Assets
- assets 200 - govt bonds 100 p - govt bonds 0 - govt bonds 0 q
- ES balances #1 0 q - ES balances #2 200 p - inv. fund deposits100 p
TOTAL 200 TOTAL 100 TOTAL 200 p TOTAL 100
Liabilities Liabilities Liabilities Liabilities
- ES balances #1 0 q - deposits 100 - inv. fund deposits100 p - liabilities 100
- ES balances #2 200 p - other deposits 100
- other
TOTAL 200 TOTAL 100 TOTAL 200 p TOTAL 100
13
simultaneous large increase in reserves and bank holdings of bonds during the Federal Reserve’s
QE suggested that a reserve effect was also at play (see Ennis and Wolman (2015)).
In judging the applicability of this work to Australia, we are mindful of the differences with Europe.
For example, the Eurosystem has a vastly larger number of banks, with the first study examining data
for about 170-190 banks over four years, while some of the reported models had low R-bar-squareds,
which is not surprising considering the likely omission of variables that also influence bank behaviour.
Ideally, we would have liked to replicate some of this work, but the Reserve Bank has advised that it
is unable to release anonymised data on bank exchange balances for confidentiality reasons.
Nonetheless, given the scale of the increase in ES balances, both to date and in prospect, we think it
likely that banks in Australia will seek to manage high reserves and this recycling is likely to involve
buying Commonwealth and semi-government bonds and paying down debt. However, the effect will
be combined with the traditional portfolio balance impact on bond yields such that it cannot be
quantified with publicly-available data on the cash market and bank balance sheets.
14
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Past performance does not assure future returns. All investments carry risks, including that the value of investments may
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and undue reliance should not be placed on them. Such forward-looking statements necessarily involve known and unknown
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